Biology and Chemistry Homework Help Forum

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4

Calculate pH of 0.10mol/L FeSO4(s) in Distilled Water

  • jeahomgrajan
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1

How Do You Write Formulas for Compounds?

  • dee.
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1

Understanding Fluorescence and pH Sensitivity of Fluorescein Molecule

  • Bridget
  • · Replies 5 ·
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5

How Cold Can a 10% Antifreeze Solution Get Before Freezing?

  • briteliner
  • · Replies 3 ·
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3

Separating salt and sodium carbonate help

  • George3
  • · Replies 3 ·
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3

Finding the heat of combustion of magnesium

  • Morhas
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1

Naming and writing formulas of compounds

  • chemzz
  • · Replies 8 ·
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8

Concentrations of Pb2+ and Cl2 at equilibrium

  • magma_saber
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1

PH after titration of Weak Acid with a Strong Base

  • FrogsWithSock
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2

What is the molality of a 10.4 M CH3OH solution in H2O?

  • mate1000
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3

Which Salt Makes the Best Hot Pack?

  • Icycomb
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1

Balancing Equations: Help with Cu(NO3)2 and CuCO3*Cu(OH)2

  • lucky_star
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1

Write the electron configuration of Cd2+

  • jupiter_8917
  • · Replies 4 ·
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4

Question about the derivative of Gibbs Energy

  • yungwun22
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1

Redox potential (Using the Nernst Equation)

  • Gannon
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4

How to Interpret Solid-Liquid Phase Diagrams for Mixed Metal Oxide Systems?

  • chickenoodle
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1

Environmental Problems & Applied Science

  • dgenerationx2
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1

Simple Distillation Homework: Methanol, Pentanol, & Azeotrope

  • gingerelle
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3

Converting Celsius to Kelvin Easy but slightly confusing

  • Spartan Erik
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2

Why is the CFSE for d6 not equal to -24Dq+3p in crystal field theory?

  • flashmanbs
  • · Replies 3 ·
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3

Finding the Heat Capacity of a Metal Using Constant Pressure Calorimetry

  • purpletouch
  • · Replies 3 ·
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3

Energy Barrier to Rotation in 1-Iodopropane

  • jnimagine
  • · Replies 1 ·
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1

Determining the empirical formula of Magnesium Oxide

  • bubbles1234
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1

Are CH3-CH2-CH2-CH2-NH2 & CH3-CH-CH2-NH2 Metamers?

  • ritwik06
  • · Replies 2 ·
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2

IUPAC Naming Rules: 2,5-Dichlorobenzene

  • viciousp
  • · Replies 3 ·
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3

Calculating Ka for Acid-Base Indicators

  • magma_saber
  • · Replies 4 ·
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4

Understanding Pressure Equalization in the Classic Soda Can Experiment

  • woosh9013
  • · Replies 4 ·
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4

Salt crystal forms after 3 days of evaporation

  • sveioen
  • · Replies 8 ·
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8

How Do You Determine Ksp for Silver Sulfate?

  • jeahomgrajan
  • · Replies 11 ·
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11

Looking for someone to check my chem. questions.

  • peck
  • · Replies 1 ·
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1

What Are the Steps and Considerations for Titration of Vinegar?

  • Quincy
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1

Calculating Percent Acetic Acid by Weight in Vinegar: A Simple Guide

  • Integral0
  • · Replies 4 ·
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4

Concentration of oxygen change the concentrations of carbon dioxide

  • metalmagik
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5
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5

Explaining Approximate pH of a 1 M Solution of NH4Br

  • a.a
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3

Are (A then B) then C and (A and B) then C Equivalent?

  • Gamecockgirl
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7

Understanding Zn(OH)2 & Al(OH)3: Ampiprotic Properties

  • Epsillon
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2

Alternative to Sodium Acetate Trihydrate

  • Ralph01
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1

The reaction of rusting iron and the heat produced

  • George3
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1

How much Chromium metal will produced from the above reaction?

  • tiffgraf
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1

Calculating Frequency and Wavelength of Light on Metal Surface

  • tiffgraf
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1
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1
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9

Kinetic/Potential Energy, Endothermic/Exothermic

  • bfr
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1

What Else Turns Iodine Blue Black?

  • crays
  • · Replies 5 ·
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5

Organic Chemistry: Aromatic Compounds

  • UNknown 2010
  • · Replies 3 ·
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3

How to calculate heat of combustion?

  • 312213
  • · Replies 2 ·
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2

BrCH2CH2COCH3-> PhCH2CHOHCH2CH2COCH3

  • cun
  • · Replies 1 ·
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1

Comparing acidity among 3 compounds - pic included

  • pizzadude
  • · Replies 1 ·
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1

Ammonia acts as a base in aqueous solution

  • a.a
  • · Replies 1 ·
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1

Calculate the pH of concentrated hydrochloric acid

  • a.a
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3

Balancing using half reaction method

  • a.a
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2

Identifying the Reducing Agent in a Spontaneous Reaction

  • a.a
  • · Replies 7 ·
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7

Chemistry Find the molecules by interpreting the H NMR spectroscopy

  • STLCards002
  • · Replies 5 ·
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5

Why Does a Sodium Vapor Lamp Create a Dark Line at 589nm in the Spectrum?

  • maxthedog
  • · Replies 2 ·
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2

Organic chemistry determing nucleophile strength

  • physstudent1
  • · Replies 2 ·
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2

AS Chemistry Help: Enthalpy Change in Chain Alkanes

  • psychedelia
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1

Chemistry Lewis dot, electronic and molecular geometry

  • sami23
  • · Replies 1 ·
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1

Calculate PPM of Fluoride: NaF Solution

  • Bonesmasher
  • · Replies 8 ·
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8

Calculating H2/Mg Ratio in Magnesium & HCl Lab

  • bertha
  • · Replies 3 ·
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3

Help Identifying Pigment by Rf Values

  • Mitchtwitchita
  • · Replies 5 ·
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5

Balancing Equations This one is a beast

  • Spartan Erik
  • · Replies 1 ·
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1

Dilution Factors, Determining Molarity

  • Spartan Erik
  • · Replies 4 ·
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4
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2

What is the Net Ionic Equation for NaNO3 and H2O?

  • weigel
  • · Replies 1 ·
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1

Melting point and solubility in water of benzoic acid

  • jnimagine
  • · Replies 7 ·
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7

Does Anybody Know How to Name the IUPAC of these Compounds

  • Fractal314
  • · Replies 1 ·
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1

Why Is There Less Energy Difference for Iodobutane Compared to n-Butane?

  • jnimagine
  • · Replies 8 ·
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8

Solving a pH 10.7 Aqueous 0.250M NaOH & 5.00 L

  • ally1h
  • · Replies 2 ·
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2

.7 x 10^-3Find Molar Mass of Weak Acid

  • EvilBunny
  • · Replies 6 ·
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6

Quick question about enzyme allosteric inhibition

  • mjolnir80
  • · Replies 4 ·
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4

Calculating Pressure Change in Gaseous Reaction: CO2 and BaO

  • lucky_star
  • · Replies 2 ·
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2

Calculating pH of a Buffer Solution with Added Strong Base

  • needphyshelp
  • · Replies 4 ·
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4

Are You Solving These Molarity and Oxidation State Problems Correctly?

  • Quincy
  • · Replies 3 ·
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3

What are the net ionic equations for these reactions?

  • Zachalmighty
  • · Replies 4 ·
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4

Making Buffers with pHs of 4.2, 7.3, 9.7

  • coryvett06
  • · Replies 1 ·
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1

The ionization energy of atomic hydrogen?

  • lucky_star
  • · Replies 1 ·
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1

Chemistry I with making some molecular and net ionic equations

  • haneyl
  • · Replies 1 ·
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1

What is the Ka of common weak base indicators?

  • magma_saber
  • · Replies 9 ·
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9

Chemistry How Many Atoms in 2.5 Moles of NH3?

  • kasakato
  • · Replies 5 ·
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5

Functional Groups: Examples of Esters & Ethers

  • Emily266
  • · Replies 1 ·
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1

One of the following undergoes a reaction

  • chemkid1234
  • · Replies 8 ·
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8

Predicting products of acid-base reactions

  • Quincy
  • · Replies 1 ·
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1

Calculating the vol. of hydrogen needed to hydrogenate under certain conditions

  • chemconfusion
  • · Replies 1 ·
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1

What is the geometry of dichloromethane?

  • jnimagine
  • · Replies 6 ·
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6

Understanding Bond Enthalpies: Make and Break Bonds

  • Beeorz
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1
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3

Aromatic or Not: Understanding the Concept of Aromaticity in Organic Molecules

  • UNknown 2010
  • · Replies 4 ·
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4

What is Unique About the Highlighted Elements in the Diagram?

  • jhmar
  • · Replies 4 ·
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4
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1
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4

Calculate the Concentration of Triprotic Acid

  • samdiah
  • · Replies 18 ·
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18

Chemistry Lab Reports Homework: Writing a Report

  • Gaara09
  • · Replies 1 ·
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1

Chemistry Empirical and Molecular Forumla calculation

  • Oblivion77
  • · Replies 1 ·
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1

Energy with inflation of Balloon problem

  • denverhockeyfan
  • · Replies 1 ·
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1

Calculating HCl Volume for Na2CO3 Reaction

  • Johnny_07
  • · Replies 4 ·
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4

Finding pH using acidity/basicity constants

  • uq_civediv
  • · Replies 2 ·
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2

Calculating effective nuclear charge

  • escryan
  • · Replies 4 ·
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4

The Formation of Salts Through Neutralization Reactions

  • ND3G
  • · Replies 4 ·
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4